April Month Number: April is the 4th Month
What is the month number for April? If you’re filling out forms, coding, or just curious, the answer is simple: April is the 4th month of the year. But we’ve built a handy reference tool below so you can check any month’s number instantly.
Whether you need April’s number (4), its season (spring in the Northern Hemisphere), or how many days it has (30), this page has you covered. Use the interactive selector to explore all months.
Select any month below to see its number, days, and season.
* Months are numbered 1–12, with January as month 1.
Why Knowing the Month Number Matters
Month numbers are essential in many contexts:
- Forms & documents: Many official forms use numeric dates (MM/DD/YYYY).
- Programming: In JavaScript and other languages, months are often zero-indexed (0 = January).
- Data analysis: Sorting by month number is easier than by name.
- Planning: “Month 4” is quickly understood as April.
Complete Month Number Reference Table
| Month | Number | Days | Season (Northern) |
|---|---|---|---|
| January | 1 | 31 | Winter |
| February | 2 | 28/29 | Winter |
| March | 3 | 31 | Spring |
| April | 4 | 30 | Spring |
| May | 5 | 31 | Spring |
| June | 6 | 30 | Summer |
| July | 7 | 31 | Summer |
| August | 8 | 31 | Summer |
| September | 9 | 30 | Fall |
| October | 10 | 31 | Fall |
| November | 11 | 30 | Fall |
| December | 12 | 31 | Winter |
April: The 4th Month
April’s name comes from the Latin word aperire, meaning “to open” — a reference to trees and flowers blooming in spring. It’s the fourth month with 30 days, and marks the heart of spring in the Northern Hemisphere and autumn in the Southern Hemisphere.
Quick Facts About April
- Number: 4
- Days: 30
- Birthstone: Diamond
- Birth flower: Daisy and Sweet Pea
- Zodiac signs: Aries (until Apr 19) and Taurus (Apr 20 onward)
- Notable events: April Fool’s Day (Apr 1), Earth Day (Apr 22)
Frequently Asked Questions About April’s Month Number
What is the month number for April?
April is the 4th month of the year. In numeric form, it’s represented as 04 or simply 4.
Is April the 4th or 5th month?
April is the 4th month. March is 3rd, April is 4th, May is 5th.
How many days does April have?
April has 30 days. It’s one of four months with 30 days (April, June, September, November).
What season is April in?
In the Northern Hemisphere, April is in spring. In the Southern Hemisphere, it’s in autumn.
What is April’s number in JavaScript?
In JavaScript, months are zero-indexed, so April is represented as 3 (January = 0, February = 1, March = 2, April = 3). But for human-friendly dates, it’s month 4.
Why is April called the 4th month?
In the ancient Roman calendar, the year began in March, so April was indeed the 4th month. When January and February were added later, April remained the 4th month.
What are the months in numbers 1-12?
1=January, 2=February, 3=March, 4=April, 5=May, 6=June, 7=July, 8=August, 9=September, 10=October, 11=November, 12=December.
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